Tokio Marine Holdings, Inc. is an insurance holding company. Through its subsidiaries and associated companies, the Company operates in four business segments. The Domestic Property and Casualty Insurance segment is engaged in the underwriting of property and casualty insurance and asset management business in Japan. The Domestic Life Insurance segment is engaged in the underwriting of life insurance and asset management business in Japan. The Overseas Insurance segment underwrites non-life insurance and life insurance, asset management business, as well as other businesses in overseas countries. The Financial and General segment is involved in the securities investment advisory services business, investment trust business, derivatives business, staffing business, real estate management business, nursing care business and others. As of March 31, 2014, the Company had 239 subsidiaries and 24 associated companies.